Selected large model output files and Buffalo sounding data from: Lake Huron enhances snowfall downwind of Lake Erie: a modeling study of the 2010 near year’s Lake-effect snowfall event

In the Northeast and Great Lakes regions of the United States, the influence of multiple lakes on overlying air can greatly affect lake-effect snowfall over downwind communities. To assess the impact of Lake Huron on snowfall downwind of Lake Erie, we simulated a lake-effect snow event which occurred from 1-6 January 2010 using the Regional Atmospheric Modeling System (RAMS). We found that the presence of Lake Huron enhances snowfall downwind of Lake Erie by almost 20\% and leads to much heavier local snowfall totals than when Lake Huron is not present. This increase in snowfall is due to a lake-to-lake (L2L) convective band, as secondary circulations associated with lake-effect convection form over Lake Huron and persist overland between the lakes before re-intensifying over Lake Erie. As these secondary circulations move over Lake Erie, low-level convergence from the secondary circulation induces mechanical lifting which accelerates the development of convection within the L2L band. S..., This dataset was produced by simulating a lake-effect snow event which occurred between 1-3 January 2010 with the Regional Atmospheric Modeling System (RAMS), an open-source, nonhydrostatic numerical weather model. The model was initiatlized and forced at lateral boundaries with ERA5 reanalysis data. Three simulations were conducted: A CONTROL simulation, without any modifications to the reanalysis, and which used initial water temperatures from a 1-degree horizontal resolution Reynolds-averaged global dataset, a NLH simulation in which the surface of Lake Huron was changed from water to mixed forest and in which initial soil and snow data over the former area of Lake Huron were adjusted to match those of neighboring Michigan, and a VARTEMP simulation which was identical to CONTROL except that data from the Great Lakes Environmental Research Laboratory (GLERL) were used for the initial water temperatures over the Great Lakes.
The model output files use a terrain-following sigma-z vertic..., , # Selected large model output files and Buffalo sounding data from: Lake Huron enhances snowfall downwind of Lake Erie: a modeling study of the 2010 near year’s Lake-effect snowfall event

[https://doi.org/10.5061/dryad.2z34tmpwj](https://doi.org/10.5061/dryad.2z34tmpwj)

## Description of the data and file structure

This data was collected for the paper entitled \"Lake Huron Enhances Snowfall Downwind of Lake Erie: A Modeling Study of the 2010 New Year's Lake-Effect Snowfall Event.\" With the exception of the file containing radiosonde data from Buffalo Niagara International Airport, which was obtained from the Integrated Global Radiosonde Archive from the National Oceanic and Atmospheric Administration (NOAA), all other files are either raw or post-processed output from the Regional Atmospheric Modeling System (RAMS) simulations of the lake-effect snow event which occurred over the North American Great Lakes from 1-3 January 2010.

This data is not meant to replace the repository for f...